Ages and lengths of yellow perch Perca flavescens, white perch Morone americana, and lake whitefish Coregonus clupeaformis in commercial trap nets in western Lake Erie
We collected samples of yellow perch (Perca flavescens) and white perch (Morone americana) in spring, and of lake whitefish (Coregonus clupeaformis) in autumn, from commercial trap nets set in western Lake Erie in 2008. The yellow perch sample (N = 153) was dominated (72%, of the total sample) by the 2003 year class, followed by the 2005 year class (12%). The white perch sample (N = 201) was dominated by the 2005 year class (39% of the total sample), followed by the 2003 year class (23%). The lake whitefish (N = 99) sample was dominated by the 2003 year class (75%) followed by the 2001 year class (10%). For yellow perch (both sexes in spring, analyzed separately) and lake whitefish (males in autumn), mean total length at age 5 was the same for the 2001 year class (calculated from historical data) and the 2003 year class.
Citation Information
Publication Year | 2009 |
---|---|
Title | Ages and lengths of yellow perch Perca flavescens, white perch Morone americana, and lake whitefish Coregonus clupeaformis in commercial trap nets in western Lake Erie |
Authors | Martin A. Stapanian, William Edwards, Michael J. Porta, Michael T. Bur, Patrick Kočovský |
Publication Type | Conference Paper |
Publication Subtype | Conference Paper |
Index ID | 70161734 |
Record Source | USGS Publications Warehouse |
USGS Organization | Great Lakes Science Center |